CN211998395U - Elevator door sleeve assembly with fireproof function - Google Patents
Elevator door sleeve assembly with fireproof function Download PDFInfo
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- CN211998395U CN211998395U CN202020170037.XU CN202020170037U CN211998395U CN 211998395 U CN211998395 U CN 211998395U CN 202020170037 U CN202020170037 U CN 202020170037U CN 211998395 U CN211998395 U CN 211998395U
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Abstract
An elevator door pocket assembly having a fire protection function, comprising: the elevator door comprises a door frame, a first fireproof sealing strip and a second fireproof sealing strip, wherein the door frame is arranged in an elevator door opening and is arranged on the front side of an elevator door in a surrounding mode, the rear side of the door frame is provided with the first fireproof sealing strip, and when the elevator door is closed, the first fireproof sealing strip is positioned between the door frame and the elevator door; the door pocket body, the door pocket body install in on the whole the front side of door frame, the door pocket body includes the curb plate that extends along the fore-and-aft direction and the panel that extends along left right direction and upper and lower direction. Through adopting the technical scheme, the utility model discloses an elevator door cover subassembly with fire prevention function can make elevartor shaft and each floor isolated when taking place the condition of a fire, prevents that the elevartor shaft from becoming the passageway that the condition of a fire stretchs between the floor, has good fire prevention effect.
Description
Technical Field
The utility model relates to an elevator door cover subassembly.
Background
The elevator door pocket is a structure around an elevator door in a building, is arranged on a wall body around the elevator door, and plays a role in protecting and decorating the elevator door and the wall body. The existing elevator door pocket and the elevator door frame are respectively installed, gaps exist in a plurality of positions, and different floors are communicated through the gaps by an elevator shaft. In the event of a fire, the fire may spread through the hoistway.
SUMMERY OF THE UTILITY MODEL
Based on the prior art, the utility model aims at providing an elevator door cover subassembly with fire prevention function, it can make each floor and elevartor shaft separate, can avoid the intensity of a fire to stretch through the elevartor shaft when the condition of a fire takes place.
The utility model provides an elevator door cover subassembly with fire prevention function, it includes:
the elevator door comprises a door frame, a first fireproof sealing strip and a second fireproof sealing strip, wherein the door frame is arranged in an elevator door opening and is arranged on the front side of an elevator door in a surrounding mode, the rear side of the door frame is provided with the first fireproof sealing strip, and when the elevator door is closed, the first fireproof sealing strip is positioned between the door frame and the elevator door;
the door pocket body, the door pocket body install in on the whole the front side of door frame, the door pocket body includes the curb plate that extends along the fore-and-aft direction and the panel that extends along left right direction and upper and lower direction.
Preferably, the elevator door pocket assembly further comprises the elevator door, the elevator door is provided with two leaves which are arranged side by side along the left-right direction, and a second fireproof sealing strip is arranged at the position where the two leaves are opposite to each other when the elevator door is closed.
Preferably, the rear side of the door frame is provided with a first groove extending along the door frame, and the first fireproof sealing strip is accommodated in the first groove.
Preferably, a second groove is provided at a front side of the elevator door, and the second groove and the first groove are aligned when the elevator door is closed.
Preferably, the opposite surfaces of the two elevator doors are provided with third grooves extending along the vertical direction, and the second fireproof sealing strip is accommodated in the third grooves.
Preferably, the front side of the door frame is provided with mounting grooves extending in front and rear directions and in up and down directions, and the door pocket body and the door frame are mounted together by inserting the side plates into the mounting grooves.
Preferably, a third fire-proof sealing strip is arranged in the mounting groove.
Preferably, at least one of the upper and lower sides of the door frame is provided with a sliding groove extending in the left-right direction, the elevator door is disposed in the sliding groove, and the sliding groove can limit the movement of the elevator door in the front-rear direction.
Preferably, the interior of the elevator door is filled with a fireproof heat insulating material.
Preferably, the plate material forming the door pocket body comprises a fireproof lining plate with a fireproof function.
Through adopting the technical scheme, the utility model discloses an elevator door cover subassembly with fire prevention function can make elevartor shaft and each floor isolated when taking place the condition of a fire, prevents that the elevartor shaft from becoming the passageway that the condition of a fire stretchs between the floor, has good fire prevention effect.
Drawings
Fig. 1 shows a schematic perspective view of an elevator door pocket assembly according to the present invention.
Fig. 2 shows a schematic perspective view of an elevator door pocket assembly according to the present invention with the upper beam removed.
Fig. 3 shows a partial enlarged view of fig. 2.
Figure 4 shows an enlarged top view of an elevator door pocket assembly according to the present invention.
Fig. 5 shows a partial structural schematic view of an elevator door pocket assembly according to the present invention when not installed.
Fig. 6 shows a rear view of an elevator door pocket assembly according to the present invention.
Description of the reference numerals
1 installation groove 12 of doorframe 11, first groove 13, connecting plate 131, first installation hole 132, second installation hole 133, 134 screw
2 door pocket body 21 upper beam 211 upper beam front panel 212 upper beam side plate 22 right frame 221 right frame front panel 222 right frame side plate 23 left frame front panel 231 left frame front panel 232 left frame side plate 24 elastic sheet 25 connecting piece
3 second groove 32 third groove of elevator door 31
4 wall body
5 fire-proof sealing strip
A1 decorative board A2 skeleton A3 fireproof lining board
H vertical direction F front-back direction W left-right direction.
Detailed Description
Exemplary embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood that the detailed description is only intended to teach one skilled in the art how to practice the invention, and is not intended to exhaust all possible ways of practicing the invention, nor is it intended to limit the scope of the invention.
It should be noted that, the terms "upper", "lower", "left" and "right" used in the present invention to indicate directions respectively refer to "upper", "lower", "left" and "right" of the elevator door sleeve assembly of the present invention; furthermore, the utility model discloses the expression direction that uses in the utility model discloses the term "preceding", "back" means the utility model discloses an elevator door pocket subassembly is installed and is pointed out the outside direction of elevator car and towards the inside direction of elevator car under the state of elevator door opening.
The drawings in the utility model are schematic, and the size proportion of each part in each drawing and the size proportion of each part in the same drawing are also schematic. The following describes the embodiments of the present invention with reference to the drawings.
As shown in fig. 1 to 5, the utility model provides an elevator door cover subassembly (sometimes abbreviated as elevator door cover subassembly) with fire prevention function, elevator door cover subassembly can install in the door opening that 4 wall bodies around the elevator door 3 formed, and elevator door 3 can install in wall body 4 with sliding left and right, and this elevator door 3 is located elevator car's front side, does not move up and down along with elevator car together. The elevator door sleeve assembly comprises a door frame 1 and a door sleeve body 2 and can also comprise an elevator door 3, the door frame 1 and the door sleeve body 2 are fixedly connected in a detachable mode, and the door sleeve body 2 is integrally positioned on the front side of the door frame 1.
The door frame 1 is arranged at the front side of the elevator door 3 in a surrounding mode, the door frame 1 is provided with an upper side, a lower side, a left side and a right side, and the door frame 1 is fixedly connected with a wall body 4 forming an elevator door opening.
The four sides of the door frame 1 of the elevator door 3 (more specifically, four sides of the door frame 1, each side is also referred to as a door frame herein for descriptive purposes) are similar in structure, and only the right-side door frame 1 is taken as an example for illustration. Referring to fig. 5, the doorframe 1 is fixedly connected to the wall 4 through a connecting plate 13. The connecting plate 13 is provided with a first mounting hole 131 and a second mounting hole 132, the first mounting hole 131 may be an elongated shape extending along the front-rear direction F, and the second mounting hole 132 may be an elongated shape extending along the up-down direction H. A screw 133 is inserted through the first mounting hole 131 and screwed into the door frame 1 to fix the connection plate 13 to the door frame 1, and another screw 134 (e.g., an expansion screw) is inserted through the second mounting hole 132 and screwed into the wall 4 to fixedly connect the connection plate 13 to the wall 4 together with the door frame 1. By providing the first mounting hole 131 and the second mounting hole 132 in the form of long strips, the left and right door frames 1 can be adjusted in the up-down direction H and the front-back direction F when the left and right door frames 1 are mounted, so that the mounting positions are accurate.
It is understood that the installation direction of the upper and lower door frames 1 is perpendicular to the left and right door frames 1, and therefore the installation direction of the corresponding connecting plate 13 is changed accordingly, and the upper and lower door frames 1 can be adjusted in the front-rear direction F and the left-right direction W.
As shown in fig. 2 to 5, the doorframe 1 is provided at the front side with a mounting groove 11, the mounting groove 11 opens toward the front side, and the jamb body 2 and the doorframe 1 are coupled together by inserting a side plate of the jamb body 2 into the mounting groove 11. Specifically, a plurality of elastic pieces 24 may be provided on the side plate of the door pocket body 2 or the side surface of the mounting groove 11, a plurality of elastic pieces 24 may be arranged offset in the front-rear direction F, and/or a plurality of elastic pieces 24 may be arranged offset in the up-down direction H. When the side plate of the door pocket body 2 is inserted into the mounting groove 11 in the front-rear direction F, the door pocket body 2 is fixed to the door frame 1 by the reaction force from the elastic piece by being able to press against the elastic piece 24, so that the door pocket body 2 can be fixedly mounted at a predetermined position in the front-rear direction F of the elevator door opening. In the present embodiment, the elastic piece 24 is provided on the side plate of the door pocket body 2, and the mounting groove 11 is provided with a groove for engaging with the elastic piece 24.
The installation groove 11 is internally provided with a fireproof sealing strip 5 (third fireproof sealing strip) extending along the installation groove 1, and the fireproof sealing strip 5 (third fireproof sealing strip) is made of a material which can expand for example 15 to 50 times after encountering fire. Fireproof sealing strip 5 (third fire prevention sealing strip) can fill the space between door frame 1 and the door pocket body 2 after meeting fire inflation to isolated elevartor shaft and external circulation of air, consequently, can prevent effectively that the elevartor shaft from becoming the passageway that the story of a fire stretchs between the floor.
It can be understood that the lower door frame 1 is not connected to the door jamb body 2, and therefore the fire-proof weather strip 5 (third fire-proof weather strip) located in the installation groove 11 of the lower door frame 1 can fill the gap between the door frame 1 and the ground after expanding in fire.
The rear side of the door frame 1 is provided with a first groove 12 extending along the door frame 1, when the elevator door sleeve assembly is in an installation state and the elevator door 3 is closed, the first groove 12 corresponds to the elevator door 3, and a fireproof sealing strip 5 (a first fireproof sealing strip) extending along the first groove 12 is arranged in the first groove 12.
Further, a second groove 31 is formed at the front side of the elevator door 3, and the second groove 31 and the first groove 12 are aligned when the elevator door pocket assembly is in an installed state and the elevator door 3 is closed. The second groove 31 can be provided with a fireproof sealing strip 5 (first fireproof sealing strip) extending along the second groove 31, when a fire occurs, the fireproof sealing strip 5 (first fireproof sealing strip) in the first groove 12 and the second groove 31 can expand to fill the gap between the elevator door 3 and the door frame 1, so that the elevator shaft and the outside air circulation are isolated. It will be appreciated that the second groove 31 may also be provided without a fire-resistant sealing strip (first fire-resistant sealing strip), and that the second groove 31 is adapted to receive the expanded fire-resistant sealing strip 5 (first fire-resistant sealing strip) only when the fire-resistant sealing strip 5 (first fire-resistant sealing strip) in the first groove 12 is expanded.
The elevator door 3 is provided with two leaves to be arranged side by side in the left-right direction W, at least one of the two elevator doors 3 is provided with a third groove 32 extending in the up-down direction H on the opposite surface when the two elevator doors 3 are closed, and a fireproof sealing strip 5 (second fireproof sealing strip) extending along the third groove 32 is provided in the third groove 32. When a fire occurs, the fireproof sealing strip 5 (second fireproof sealing strip) in the third groove 32 expands to fill the gap between the two elevator doors 3, so that the elevator shaft and the outside air circulation are isolated.
The inside of lift-cabin door 3 is filled with fire prevention thermal insulation material such as asbestos, when the condition of a fire takes place for the floor, avoids the lift-cabin door to catch fire, and then avoids the condition of a fire to spread to other floors through the elevartor shaft.
The upper side and/or the lower side of the door frame 1 may be provided with a sliding groove extending in the left-right direction W, and the elevator door 3 is disposed in the sliding groove, and the sliding groove can limit the movement of the elevator door 3 in the front-rear direction F. It can be understood that if a fire is encountered, the fireproof sealing strip 5 (first fireproof sealing strip) in the first groove 12 and/or the second groove 31 will expand, so that the elevator door 3 is subjected to a backward force, which may cause difficulty in opening the elevator door 3 and even bending deformation of the door body. The sliding groove can limit the movement of the upper side and the lower side of the elevator door 3, and the elevator door 3 can be prevented from bending and deforming when encountering fire.
The door pocket body 2 includes an upper beam 21, a right frame 22, and a left frame 23, the upper beam 21 being assembled with the right frame 22 and the left frame 23, preferably in a detachable manner, to form the door pocket body 2, the right frame 22 and the left frame 23 being connected to both end portions of the upper beam 21 in the left-right direction W, respectively. The upper beam 21 extends entirely in the left-right direction W, and the right frame 22 and the left frame 23 extend entirely in the up-down direction H, respectively.
The upper beam 21 has an upper beam front panel 211 and an upper beam side panel 212. The upper beam front panel 211 extends in the left-right direction W and the up-down direction H, and the upper beam side panel 212 extends in the front-back direction F and the left-right direction W from a lower edge of the upper beam front panel 211.
The right bezel 22 has a right bezel front panel 221 and a right bezel side panel 222. The right frame front panel 221 extends in the vertical direction H and the horizontal direction W, and the right frame side plate 222 extends rearward in the front-rear direction F from the left edge of the right frame front panel 221.
The left bezel 23 has a left bezel front panel 231 and a left bezel side panel 232, and the structure of the left bezel 23 is symmetrical to that of the right bezel 22. When the elevator door pocket assembly is installed, the elevator door 3 is disposed between the right frame front panel 221 and the left frame front panel 231.
The upper beam front panel 211, the right frame front panel 221, and the left frame front panel 231 may be collectively referred to as panels, which extend in the left-right direction W and the up-down direction H. The upper rail side panel 212, the right bezel side panel 222, and the left bezel side panel 232 may be collectively referred to as side panels, all extending in the front-to-rear direction F. The door pocket body 2 and the door frame 1 are coupled by inserting the side plate into the mounting groove 11. The panels and side panels are removably connected together, such as by plugging. When the elevator door pocket assembly is not installed, the panel and side panels may be separated for storage and transportation.
The upper beam front panel 211 and the left frame front panel 231 are fixedly connected by connecting members 25 to the upper beam front panel 211 and the left frame front panel 231, and the upper beam front panel 211 and the right frame front panel 221 are fixedly connected by connecting members 25 to the upper beam front panel 211 and the right frame front panel 221.
Further, the panel and the side panel may each comprise a single-layer or multi-layer plate-like structure, for example, the plate material forming the panel and the side panel comprises a decorative plate a1, a frame a2 and a fire-retardant liner plate A3, wherein the decorative plate a1 is positioned on the surface side of the frame a2, and the fire-retardant liner plate A3 is positioned on the opposite side of the surface side of the frame a 2. The framework A2 can be made of metal material, and the fireproof lining board A3 has fireproof function and can be made of non-combustible material. In case of fire, neither the fire-retardant sheathing A3 nor the skeleton a2 made of metal supports combustion.
Specifically, the frame a2 may be made of a galvanized steel sheet, which is a preferable material selected in consideration of manufacturing cost, structural strength, and the like, and other materials may be used as the manufacturing material of the door pocket body 2 according to the present invention according to actual needs.
While the specific embodiments of the present invention have been described in detail in the foregoing, the following description is also required.
(1) Although it is described in the above embodiment that the fireproof sealing tape 5 is disposed along the extending direction of the mounting groove 11, the first groove 12, the second groove 31, and the third groove 32, the present invention is not limited thereto. The fireproof sealing strips 5 can also be arranged in plurality at intervals along the extending direction of the mounting groove 11, the first groove 12, the second groove 31 and the third groove 32.
(2) Although it is described in the above embodiment that the rear side of the door frame 1 is provided with the first groove 12 and the front side of the elevator door 3 is formed with the second groove 31, the present invention is not limited thereto. Only the rear side of the door frame 1 can be provided with the first groove 12 or only the front side of the elevator door 3 can be provided with the second groove 31, even the door frame 1 and the elevator door 3 are not provided with grooves, and only the rear side of the door frame 1 and/or the front side of the elevator door 3 is connected with the fireproof sealing strip 5 (first fireproof sealing strip).
In addition, it should be noted that the protection scope of the present invention is not limited to the specific embodiments described in the above embodiments, and those skilled in the art can implement various reasonable modifications and combinations of features to the technical solution of the present invention within the scope of the present invention.
Claims (10)
1. An elevator door pocket assembly with a fire prevention function, comprising:
the elevator door structure comprises a door frame (1), wherein the door frame (1) is installed in an elevator door opening, the door frame (1) is arranged on the front side of an elevator door (3) in a surrounding mode, a first fireproof sealing strip is arranged on the rear side of the door frame (1), and when the elevator door (3) is closed, the first fireproof sealing strip is located between the door frame (1) and the elevator door (3);
the door pocket comprises a door pocket body (2), wherein the door pocket body (2) is integrally installed on the front side of the door frame (1), and the door pocket body (2) comprises side plates extending in the front-back direction (F) and panels extending in the left-right direction (W) and the up-down direction (H).
2. Elevator door pocket assembly with fire protection according to claim 1, characterized in that it further comprises the elevator door (3), the elevator door (3) is provided with two side by side leaves in the left-right direction (W), and a second fire-resistant sealing strip is provided at the position where the two leaves of the elevator door (3) are opposite to each other when they are closed.
3. Elevator door pocket assembly with fire protection according to claim 1, characterized in that the rear side of the door frame (1) is provided with a first groove (12) extending along the door frame (1), the first groove (12) accommodating the first fire-resistant sealing strip therein.
4. Elevator door pocket assembly with fire protection according to claim 3, characterized in that the front side of the elevator door (3) is provided with a second groove (31), the second groove (31) and the first groove (12) being aligned when the elevator door (3) is closed.
5. Elevator door pocket assembly with fire protection according to claim 2, characterized in that the opposite surfaces of the two elevator doors (3) are provided with a third groove (32) extending in the up-down direction (H), the third groove (32) accommodating the second fire-resistant sealing strip.
6. The elevator door pocket assembly having a fire prevention function according to claim 1, wherein a front side of the door frame (1) is provided with an installation groove (11) extending in a front-rear direction (F) and an up-down direction (H), and the pocket body (2) and the door frame (1) are installed together by inserting the side plate into the installation groove (11).
7. Elevator door pocket assembly with fire protection according to claim 6, characterized in that a third fire protection sealing strip is arranged in the installation groove (11).
8. The elevator door pocket assembly with fire prevention function according to claim 1, wherein at least one of the upper and lower sides of the door frame (1) is provided with a sliding groove extending in the left-right direction (W), the elevator door (3) is disposed in the sliding groove, and the sliding groove can limit the movement of the elevator door (3) in the front-rear direction (F).
9. Elevator door pocket assembly with fire protection according to claim 1, characterized in that the inside of the elevator door (3) is filled with fire-resistant insulation material.
10. Elevator door pocket assembly with fireproof function according to claim 1, characterized in that the sheet material forming the pocket body (2) comprises a fireproof lining sheet with fireproof function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020170037.XU CN211998395U (en) | 2020-02-14 | 2020-02-14 | Elevator door sleeve assembly with fireproof function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020170037.XU CN211998395U (en) | 2020-02-14 | 2020-02-14 | Elevator door sleeve assembly with fireproof function |
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| Publication Number | Publication Date |
|---|---|
| CN211998395U true CN211998395U (en) | 2020-11-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020170037.XU Active CN211998395U (en) | 2020-02-14 | 2020-02-14 | Elevator door sleeve assembly with fireproof function |
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| Country | Link |
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| CN (1) | CN211998395U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111268540A (en) * | 2020-02-14 | 2020-06-12 | 聊城市高力金属材料有限公司 | Elevator door sleeve assembly with fireproof function |
-
2020
- 2020-02-14 CN CN202020170037.XU patent/CN211998395U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111268540A (en) * | 2020-02-14 | 2020-06-12 | 聊城市高力金属材料有限公司 | Elevator door sleeve assembly with fireproof function |
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